The West Central Montana Avalanche Center (WCMAC) advisory area includes the Bitterroot Mountains on Bitterroot, Clearwater and Lolo National Forest system lands from Lost Trail Pass north to Granite Pass, the Rattlesnake Mountains and the Southern Swan and Mission Mountains on Lolo National Forest lands north of Missoula and near Seeley Lake. A national avalanche advisory map is also available.

This map is an approximation of the area covered by the advisory. Weather and snowpack conditions change continuously and are highly variable throughout these areas.

Download a more detailed Advisory Area Map (produced in 2013/14)